public void GetPlaceholderInformationHandlerCancelledDuringAsyncCallback()
{
using (MockVirtualizationInstance mockGvFlt = new MockVirtualizationInstance())
using (MockGitIndexProjection gitIndexProjection = new MockGitIndexProjection(new[] { "test.txt" }))
{
GVFltCallbacks callbacks = new GVFltCallbacks(
this.Repo.Context,
this.Repo.GitObjects,
RepoMetadata.Instance,
new MockBlobSizes(),
gvflt: mockGvFlt,
gitIndexProjection: gitIndexProjection,
reliableBackgroundOperations: new MockReliableBackgroundOperations());
string error;
callbacks.TryStart(out error).ShouldEqual(true);
gitIndexProjection.BlockGetProjectedFileInfo(willWaitForRequest: true);
mockGvFlt.OnGetPlaceholderInformation(1, "test.txt", 0, 0, 0, 0, 1, "UnitTests").ShouldEqual(HResult.Pending);
gitIndexProjection.WaitForGetProjectedFileInfo();
mockGvFlt.OnCancelCommand(1);
gitIndexProjection.UnblockGetProjectedFileInfo();
// Cancelling in the middle of GetPlaceholderInformation still allows it to create placeholders when the cancellation does not
// interrupt network requests
mockGvFlt.WaitForPlaceholderCreate();
gitIndexProjection.WaitForPlaceholderCreate();
mockGvFlt.CreatedPlaceholders.ShouldContain(entry => entry == "test.txt");
gitIndexProjection.PlaceholdersCreated.ShouldContain(entry => entry == "test.txt");
callbacks.Stop();
}
}
public void GetPlaceholderInformationHandlerCancelledBeforeSchedulingAsync()
{
using (MockVirtualizationInstance mockGvFlt = new MockVirtualizationInstance())
using (MockGitIndexProjection gitIndexProjection = new MockGitIndexProjection(new[] { "test.txt" }))
{
GVFltCallbacks callbacks = new GVFltCallbacks(
this.Repo.Context,
this.Repo.GitObjects,
RepoMetadata.Instance,
new MockBlobSizes(),
gvflt: mockGvFlt,
gitIndexProjection: gitIndexProjection,
reliableBackgroundOperations: new MockReliableBackgroundOperations());
string error;
callbacks.TryStart(out error).ShouldEqual(true);
gitIndexProjection.BlockIsPathProjected(willWaitForRequest: true);
Task.Run(() =>
{
// Wait for OnGetPlaceholderInformation to call IsPathProjected and then while it's blocked there
// call OnCancelCommand
gitIndexProjection.WaitForIsPathProjected();
mockGvFlt.OnCancelCommand(1);
gitIndexProjection.UnblockIsPathProjected();
});
mockGvFlt.OnGetPlaceholderInformation(1, "test.txt", 0, 0, 0, 0, 1, "UnitTests").ShouldEqual(HResult.Pending);
// Cancelling before GetPlaceholderInformation has registered the command results in placeholders being created
mockGvFlt.WaitForPlaceholderCreate();
gitIndexProjection.WaitForPlaceholderCreate();
mockGvFlt.CreatedPlaceholders.ShouldContain(entry => entry == "test.txt");
gitIndexProjection.PlaceholdersCreated.ShouldContain(entry => entry == "test.txt");
callbacks.Stop();
}
}